Electronic Principles Suppose a step-down transformer has a turns ration of 5:1. If the secondary current is 1A rms, what is the primary-current? 0.3 A 0.4 A None of these 0.6 A 0.2 A 0.3 A 0.4 A None of these 0.6 A 0.2 A ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following kinds of materials has the lowest permeability? A paramagnetic material A diamagnetic material A feiTomagnetic material None of these All of these A paramagnetic material A diamagnetic material A feiTomagnetic material None of these All of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the difference between the kinds of charges for an electron and a proton? None of these An electron has a negative charge and a proton has no charge An electron has a positive charge and a proton has no charge An electron has a negative charge and a proton has a positive charge An electron has a positive charge and a proton has a negative charge None of these An electron has a negative charge and a proton has no charge An electron has a positive charge and a proton has no charge An electron has a negative charge and a proton has a positive charge An electron has a positive charge and a proton has a negative charge ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles When applying a square waveform to a capacitor, the circuit tends to: peak the current and round off the voltage waveforms round off both the voltage and current waveforms peak both the voltage and current waveforms peak the voltage and round off the current waveforms None of these peak the current and round off the voltage waveforms round off both the voltage and current waveforms peak both the voltage and current waveforms peak the voltage and round off the current waveforms None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The valence electron of a copper atom experiences what kind of attraction toward the nucleus? None of these Impossible to say Neutral Strong Weak None of these Impossible to say Neutral Strong Weak ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Waveforms are graphs that show: the passage of time on the vertical axis and amplitude on the horizontal axis None of these amplitude on the vertical axis and the passage of time on the horizontal axis frequency on the vertical axis and amplitude on the horizontal axis amplitude on the vertical axis and frequency on the horizontal axis the passage of time on the vertical axis and amplitude on the horizontal axis None of these amplitude on the vertical axis and the passage of time on the horizontal axis frequency on the vertical axis and amplitude on the horizontal axis amplitude on the vertical axis and frequency on the horizontal axis ANSWER DOWNLOAD EXAMIANS APP
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